Here is the full list of all 56 Like a Dragon: Ishin! achievements. It takes around 120-150 hours to unlock all of the achievements on Windows.
Collected all achievements.
Completed all tasks in the Diligence Records.
Brought the Completion List to 100%.
Completed all Bonds.
Played every minigame.
Tried your hand at each type of gambling.
Made at least 10 ryo in sales at the Udon Shop.
Completed all Substories.
Performed every dance at Nichibuza.
Completed every Ultimate Challenge.
Enhanced equipment 100 times.
Defeated 100 enemies with Special Moves outside Ultimate Challenges.
Broke Ryoma's stats beyond their limits.
Attained all Revelations.
Won 10 arena battles.
Completed the final chapter.
Completed the game on Legend difficulty.
Completed Chapter 12.
Completed Chapter 10.
Completed Chapter 8.
Cleared the Sanada Stronghold.
Gathered 100 troopers for the Third Division.
Brought the Completion List to 50%.
Reached Level 50.
Cleared the Bandits' Mine.
Cleared the Bandits' Cave.
Entered a Battle Dungeon 3 times.
Ordered at least one item at every restaurant.
Performed every song at Utamaruya.
Completed Chapter 6.
Cooked 7 different dishes.
Completed Chapter 4.
Paid off Haruka's debt in full.
Earned at least 300,000 Virtue in total.
Watched a Slice of Life event at your second home.
Fulfilled 10 trade orders at your second home.
Changed the interior design of your second home.
Completed 50 tasks in the Diligence Records.
Grew 10 different kinds of plants in the garden.
Helped the Tachibanagumi bring the Tengu to justice.
Caught a total of 10 fish.
Completed 40 Substories.
Trained with each master of combat.
Earned at least 100,000 Virtue in total.
Reached max Social Rank in one of the locales.
Completed 20 tasks in the Diligence Records.
Earned at least 50,000 Virtue in total.
Placed bets on 5 chicken races.
Cleared each of the courtesan minigames.
Completed 10 Substories.
Completed Chapter 2.
Earned at least 10,000 Virtue in total.
Completed 5 tasks in the Diligence Records.
Completed your first Bond.
Unlocked 10 abilities with Soul Orbs.
Set foot in Tosa.